lumma | 27db561f7a41c969d70754f289166d07f0fab55b7f5395adfdc003ad9ca30966

Analysis

max time kernel
75s
max time network
76s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 21:10

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General

Target

0PENM3.zip
Size

395KB
MD5

fb629efa3a1184aae2d334548a7ee618
SHA1

a973981a4ec954dd75db4b834d9be1d113bfd529
SHA256

27db561f7a41c969d70754f289166d07f0fab55b7f5395adfdc003ad9ca30966
SHA512

0ec47fc7976212b0cc1f19670f667693b94a938ac6cbc096a45503cb72f9b37bd1c84424c08bb2e211ad72091b2b81ae8de291cc7485245af3ef73484dfc1857
SSDEEP

6144:kidYohZStSB2YIL5e9omn1Zx/FxeB7IXmEEN7nXnp1jBuIeTIumOdZ8Pr+I7AN6O:HYPtACL541ZDwB7IXU5x6IumZ37Amze

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://jubbenjusk.biz/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Executes dropped EXE 1 IoCs

pid	Process
1444	Bootstrapper.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4772	1444	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bootstrapper.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
592	7zFM.exe
592	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
592	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	592	7zFM.exe
Token: 35	592	7zFM.exe
Token: SeSecurityPrivilege	592	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
592	7zFM.exe
592	7zFM.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 592 wrote to memory of 1444	592	7zFM.exe	92
PID 592 wrote to memory of 1444	592	7zFM.exe	92
PID 592 wrote to memory of 1444	592	7zFM.exe	92

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\0PENM3.zip"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:592
- C:\Users\Admin\AppData\Local\Temp\7zO052CACB8\Bootstrapper.exe
  "C:\Users\Admin\AppData\Local\Temp\7zO052CACB8\Bootstrapper.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 1408
    3⤵
    - Program crash
    PID:4772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1444 -ip 1444
1⤵
PID:2012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zO052CACB8\Bootstrapper.exe

Filesize
395KB

MD5
39b0a312670f8df718d745efc4e7a0b0

SHA1
639bb6ce9d8f4d6e764a752ea465e2aaf2fce914

SHA256
4b5924690b30abd40e7f4db96657b7575e3d629b7e4602b0d74a361c074f46dc

SHA512
ccd93dffeaf42e0f36af6337e559b9dbb36adc46ef6a82fe509da8fc9943b3d6b9df17b239311d9d3f5a97a426a233a42058f77c250231a538694625b1e7a71c

Download Submit
memory/1444-10-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/1444-11-0x0000000000590000-0x00000000005E0000-memory.dmp

Filesize
320KB

Download
memory/1444-12-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1444-13-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/1444-15-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1444-14-0x0000000000590000-0x00000000005E0000-memory.dmp

Filesize
320KB

Download